tennis training machine

the tennis training machine can be used on small space.it is used in indoors and outdoors and portable.there are two exits for balls.one is only one exit and one receiving racket for balls,the other is two exits and two receivingrackets for balls.you can select what you like.it allows players to practice to get ball from different angles.it can practice forhand ,backhand,and different technology of hitting.it has the effect of raising the levelof playing ,has the role of norms of basic movements,and also can get the same effect of training on the tennis court.